Skip to main content
David Ludwig, MD, Pediatric Endocrinology, Boston, MA

David S Ludwig MD


Professor, Pediatrics-Children's Hospital, Harvard Medical School

Join to view full profile
  • 300 Longwood AveBoston, MA 02115

  • Phone+1 617-355-7476

Dr. Ludwig is on Doximity

As a Doximity member, you’ll join more than three million U.S. healthcare professionals—including 85+% of physicians, and 2/3 of all NPs and PAs—in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

Summary

  • David S. Ludwig, MD, PhD, is an endocrinologist and researcher at Boston Children’s Hospital, Professor of Pediatrics at Harvard Medical School and Professor of Nutrition at Harvard School of Public Health. For more than 25 years, Dr. Ludwig has studied the effects of dietary composition on metabolism, body weight and risk for chronic disease – with a special focus on low-carbohydrate and ketogenic diets. He has made seminal contributions to development of the “carbohydrate-insulin model,” an alternative perspective on the cause and treatment of obesity. Described as an “obesity warrior” by Time Magazine, Dr. Ludwig has fought for fundamental policy changes to improve the food environment. He has authored more than 250 scientific articles and presently serves as an editor at The American Journal of Clinical Nutrition. Dr. Ludwig is author of the #1 New York Times bestseller Always Hungry? Conquer Cravings, Retrain Your Fat Cells, and Lose Weight Permanently.

Education & Training

  • Boston Children’s Hospital/Boston Medical Center
    Boston Children’s Hospital/Boston Medical CenterFellowship, Pediatric Endocrinology, 1992 - 1995
  • Boston Children’s Hospital/Boston Medical Center
    Boston Children’s Hospital/Boston Medical CenterResidency, Pediatrics, 1990 - 1993
  • Stanford University School of Medicine
    Stanford University School of MedicineClass of 1990

Certifications & Licensure

  • MA State Medical License
    MA State Medical License 1993 - 2027

Clinical Trials

Publications & Presentations

PubMed

Journal Articles

  • Conflicts of Interest in Nutrition Research  
    Steven B Heymsfield, David S Ludwig, JAMA
  • Incorrect Analyses Were Used in “Different Enteral Nutrition Formulas Have No Effect on Glucose Homeostasis but on Diet-Induced Thermogenesis in Critically Ill Medical...  
    David S Ludwig, Steven B Heymsfield, Nature

Authored Content

  • The Carbohydrate-Insulin Model of ObesityJuly 2018
  • Epidemic Childhood Obesity: Not yet the End of the BeginningMarch 2018

Press Mentions

  • What's Actually in Our Carbs: A Pantry Raid
    What's Actually in Our Carbs: A Pantry RaidApril 26th, 2026
  • If You're Struggling to Lose Weight, Could Chilling Your Carbs Help?
    If You're Struggling to Lose Weight, Could Chilling Your Carbs Help?February 26th, 2026
  • US Child, Teen Obesity Rates Reach Record High While Adult Trends Appear to Slow, CDC Report Finds
    US Child, Teen Obesity Rates Reach Record High While Adult Trends Appear to Slow, CDC Report FindsFebruary 25th, 2026

Viewing the full profile is available to verified healthcare professionals only.

Find your profile and take control of your online presence: